Because of the various climate mitigation opportunity for various biofuel pathways, governments and companies set up distinct certification techniques making sure that biomass use is sustainable, As an example the Purple (Renewable Power Directive) while in the EU and the ISO typical 13065 by the International Organization for Standardization. https://cashizodr.corpfinwiki.com/8573527/the_smart_trick_of_norbord_apa_sheathing_that_no_one_is_discussing